Update URL+Moya.swift
Update URL+Moya.swift

Currently, without I put target.path into targetPath, in most cases target.path is called twice (when I setting path using Moya in a specific project) which makes an additional call: difficulties to debug, and performance change even small.
Moya/Moya,Moya/Moya,ashfurrow/Moya,Moya/Moya,ashfurrow/Moya